At least four people were killed in US drone attack in North Waziristan on Sunday.

According to details, the unmanned plane fired missiles on a vehicle in Azam Warsak area of South Waziristan.

Four people were killed while the vehicle was completely destroyed in the attack.

At least four of the unmanned aircraft had been flying before the attack in the area on Sunday morning, sources said.

The identity of dead people was unknown.